mirror of https://github.com/PentHertz/srsLTE.git
537 lines
17 KiB
C++
537 lines
17 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srslte/common/log_filter.h"
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#include "srslte/common/mac_nr_pcap.h"
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#include "srslte/config.h"
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#include "srslte/mac/mac_nr_pdu.h"
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#include <array>
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#include <iostream>
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#include <memory>
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#include <vector>
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#define TESTASSERT(cond) \
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{ \
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if (!(cond)) { \
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std::cout << "[" << __FUNCTION__ << "][Line " << __LINE__ << "]: FAIL at " << (#cond) << std::endl; \
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return -1; \
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} \
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}
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#define PCAP 0
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#define PCAP_CRNTI (0x1001)
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#define PCAP_TTI (666)
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using namespace srslte;
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static std::unique_ptr<srslte::mac_nr_pcap> pcap_handle = nullptr;
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int mac_dl_sch_pdu_unpack_and_pack_test1()
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{
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// MAC PDU with DL-SCH subheader with 8-bit length field
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=0| LCID | Octet 1
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// | L | Octet 1
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// TV1 - MAC PDU with short subheader for CCCH, MAC SDU length is 8 B, total PDU is 10 B
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uint8_t mac_dl_sch_pdu_1[] = {0x00, 0x08, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
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if (pcap_handle) {
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pcap_handle->write_dl_crnti(mac_dl_sch_pdu_1, sizeof(mac_dl_sch_pdu_1), PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::mac_nr_sch_pdu pdu;
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pdu.unpack(mac_dl_sch_pdu_1, sizeof(mac_dl_sch_pdu_1));
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TESTASSERT(pdu.get_num_subpdus() == 1);
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mac_nr_sch_subpdu subpdu = pdu.get_subpdu(0);
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TESTASSERT(subpdu.get_total_length() == 10);
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TESTASSERT(subpdu.get_sdu_length() == 8);
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TESTASSERT(subpdu.get_lcid() == 0);
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// pack PDU again
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byte_buffer_t tx_buffer;
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srslte::mac_nr_sch_pdu tx_pdu;
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tx_pdu.init_tx(&tx_buffer, sizeof(mac_dl_sch_pdu_1));
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// Add SDU part of TV from above
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tx_pdu.add_sdu(0, &mac_dl_sch_pdu_1[2], 8);
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TESTASSERT(tx_pdu.get_remaing_len() == 0);
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TESTASSERT(tx_buffer.N_bytes == sizeof(mac_dl_sch_pdu_1));
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TESTASSERT(memcmp(tx_buffer.msg, mac_dl_sch_pdu_1, tx_buffer.N_bytes) == 0);
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if (pcap_handle) {
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pcap_handle->write_dl_crnti(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::log_filter log("MAC");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(100000);
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log.info_hex(tx_buffer.msg, tx_buffer.N_bytes, "Generated MAC PDU (%d B)\n", tx_buffer.N_bytes);
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return SRSLTE_SUCCESS;
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}
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int mac_dl_sch_pdu_unpack_test2()
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{
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// MAC PDU with DL-SCH subheader with 16-bit length field
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=1| LCID | Octet 1
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// | L | Octet 2
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// | L | Octet 3
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// Note: Pack test is not working in this case as it would generate a PDU with the short length field only
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// TV2 - MAC PDU with long subheader for LCID=2, MAC SDU length is 8 B, total PDU is 11 B
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uint8_t mac_dl_sch_pdu_2[] = {0x42, 0x00, 0x08, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
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if (pcap_handle) {
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pcap_handle->write_dl_crnti(mac_dl_sch_pdu_2, sizeof(mac_dl_sch_pdu_2), PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::mac_nr_sch_pdu pdu;
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pdu.unpack(mac_dl_sch_pdu_2, sizeof(mac_dl_sch_pdu_2));
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TESTASSERT(pdu.get_num_subpdus() == 1);
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mac_nr_sch_subpdu subpdu = pdu.get_subpdu(0);
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TESTASSERT(subpdu.get_total_length() == 11);
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TESTASSERT(subpdu.get_sdu_length() == 8);
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TESTASSERT(subpdu.get_lcid() == 2);
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return SRSLTE_SUCCESS;
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}
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int mac_dl_sch_pdu_pack_test3()
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{
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// MAC PDU with DL-SCH subheader with 16-bit length field (512 B SDU + 3 B header)
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=1| LCID | Octet 1
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// | L | Octet 2
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// | L | Octet 3
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uint8_t sdu[512] = {};
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// populate SDU payload
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for (uint32_t i = 0; i < 512; i++) {
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sdu[i] = i % 256;
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}
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// pack buffer
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byte_buffer_t tx_buffer;
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srslte::mac_nr_sch_pdu tx_pdu;
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tx_pdu.init_tx(&tx_buffer, 1024);
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// Add SDU
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tx_pdu.add_sdu(4, sdu, sizeof(sdu));
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TESTASSERT(tx_pdu.get_remaing_len() == 509);
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TESTASSERT(tx_buffer.N_bytes == 515);
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if (pcap_handle) {
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pcap_handle->write_dl_crnti(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::log_filter log("MAC");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(100000);
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log.info_hex(tx_buffer.msg, tx_buffer.N_bytes, "Generated MAC PDU (%d B)\n", tx_buffer.N_bytes);
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return SRSLTE_SUCCESS;
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}
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int mac_dl_sch_pdu_pack_test4()
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{
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// MAC PDU with only padding
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// Bit 1-8
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// | | | | | | | | |
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// | R | R | LCID | Octet 1
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// | zeros | Octet ..
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// TV2 - MAC PDU with a single LCID with padding only
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uint8_t tv[] = {0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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const uint32_t pdu_size = 8;
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byte_buffer_t tx_buffer;
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// modify buffer (to be nulled during PDU packing
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tx_buffer.msg[4] = 0xaa;
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srslte::mac_nr_sch_pdu tx_pdu;
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tx_pdu.init_tx(&tx_buffer, pdu_size);
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TESTASSERT(tx_pdu.get_remaing_len() == pdu_size);
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tx_pdu.pack();
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TESTASSERT(tx_buffer.N_bytes == pdu_size);
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TESTASSERT(tx_buffer.N_bytes == sizeof(tv));
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TESTASSERT(memcmp(tx_buffer.msg, tv, tx_buffer.N_bytes) == 0);
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if (pcap_handle) {
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pcap_handle->write_dl_crnti(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::log_filter log("MAC");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(100000);
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log.info_hex(tx_buffer.msg, tx_buffer.N_bytes, "Generated MAC PDU (%d B)\n", tx_buffer.N_bytes);
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return SRSLTE_SUCCESS;
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}
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int mac_dl_sch_pdu_pack_test5()
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{
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// MAC PDU with DL-SCH subheader with 8-bit length field and padding after that
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=0| LCID | Octet 1
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// | L | Octet 2
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// | zeros | Octet 3-10
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// | R | R | LCID | Octet 11
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// | zeros | Octet ..
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// TV2 - MAC PDU with a single LCID with padding only
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uint8_t tv[] = {0x01, 0x08, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00};
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const uint32_t pdu_size = 16;
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byte_buffer_t tx_buffer;
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tx_buffer.clear();
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srslte::mac_nr_sch_pdu tx_pdu;
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tx_pdu.init_tx(&tx_buffer, pdu_size);
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// Add SDU part of TV from above
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tx_pdu.add_sdu(1, &tv[2], 8);
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TESTASSERT(tx_pdu.get_remaing_len() == 6);
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tx_pdu.pack();
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TESTASSERT(tx_pdu.get_remaing_len() == 0);
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TESTASSERT(tx_buffer.N_bytes == pdu_size);
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TESTASSERT(tx_buffer.N_bytes == sizeof(tv));
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TESTASSERT(memcmp(tx_buffer.msg, tv, tx_buffer.N_bytes) == 0);
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if (pcap_handle) {
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pcap_handle->write_dl_crnti(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::log_filter log("MAC");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(100000);
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log.info_hex(tx_buffer.msg, tx_buffer.N_bytes, "Generated MAC PDU (%d B)\n", tx_buffer.N_bytes);
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return SRSLTE_SUCCESS;
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}
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int mac_dl_sch_pdu_unpack_test6()
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{
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// MAC PDU with DL-SCH subheader reserved LCID
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=1| LCID | Octet 1
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// | L | Octet 2
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// TV2 - MAC PDU with reserved LCID (46=0x2e)
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uint8_t mac_dl_sch_pdu_2[] = {0x2e, 0x04, 0x11, 0x22, 0x33, 0x44};
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if (pcap_handle) {
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pcap_handle->write_dl_crnti(mac_dl_sch_pdu_2, sizeof(mac_dl_sch_pdu_2), PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::mac_nr_sch_pdu pdu;
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pdu.unpack(mac_dl_sch_pdu_2, sizeof(mac_dl_sch_pdu_2));
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TESTASSERT(pdu.get_num_subpdus() == 0);
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return SRSLTE_SUCCESS;
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}
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int mac_ul_sch_pdu_unpack_test1()
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{
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// UL-SCH MAC PDU with fixed-size CE and DL-SCH subheader with 16-bit length field
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// Note: this is a malformed UL-SCH PDU has SDU is placed after the CE
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// Bit 1-8
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// | | | | | | | | |
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// | R | R | LCID | Octet 1 (C-RNTI LCID = 0x )
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// | C-RNTI | Octet 2
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// | C-RNTI | Octet 3
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// | R |F=1| LCID | Octet 4
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// | L | Octet 5
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// | L | Octet 6
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// | data | Octet 7-x
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// TV3 - UL-SCH MAC PDU with long subheader for LCID=2, MAC SDU length is 4 B, total PDU is 9 B
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const uint8_t ul_sch_crnti[] = {0x11, 0x22};
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uint8_t mac_ul_sch_pdu_1[] = {0x3a, 0x11, 0x22, 0x43, 0x00, 0x04, 0x11, 0x22, 0x33, 0x44};
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if (pcap_handle) {
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pcap_handle->write_ul_crnti(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1), PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::mac_nr_sch_pdu pdu(true);
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pdu.unpack(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1));
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TESTASSERT(pdu.get_num_subpdus() == 2);
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// First subpdu is C-RNTI CE
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mac_nr_sch_subpdu subpdu0 = pdu.get_subpdu(0);
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TESTASSERT(subpdu0.get_total_length() == 3);
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TESTASSERT(subpdu0.get_sdu_length() == 2);
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TESTASSERT(subpdu0.get_lcid() == mac_nr_sch_subpdu::CRNTI);
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TESTASSERT(memcmp(subpdu0.get_sdu(), (uint8_t*)&ul_sch_crnti, sizeof(ul_sch_crnti)) == 0);
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// Second subpdu is UL-SCH
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mac_nr_sch_subpdu subpdu1 = pdu.get_subpdu(1);
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TESTASSERT(subpdu1.get_total_length() == 7);
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TESTASSERT(subpdu1.get_sdu_length() == 4);
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TESTASSERT(subpdu1.get_lcid() == 3);
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return SRSLTE_SUCCESS;
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}
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int mac_ul_sch_pdu_unpack_and_pack_test2()
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{
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// MAC PDU with UL-SCH (for UL-CCCH) subheader
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// Bit 1-8
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// | | | | | | | | |
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// | R | R | LCID | Octet 1
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// TV1 - MAC PDU with short subheader for CCCH, MAC SDU length is 8 B, total PDU is 10 B
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uint8_t mac_ul_sch_pdu_1[] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
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if (pcap_handle) {
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pcap_handle->write_ul_crnti(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1), PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::mac_nr_sch_pdu pdu(true);
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pdu.unpack(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1));
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TESTASSERT(pdu.get_num_subpdus() == 1);
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mac_nr_sch_subpdu subpdu = pdu.get_subpdu(0);
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TESTASSERT(subpdu.get_total_length() == 9);
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TESTASSERT(subpdu.get_sdu_length() == 8);
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TESTASSERT(subpdu.get_lcid() == 0);
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// pack PDU again
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byte_buffer_t tx_buffer;
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srslte::mac_nr_sch_pdu tx_pdu;
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tx_pdu.init_tx(&tx_buffer, sizeof(mac_ul_sch_pdu_1), true);
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// Add SDU part of TV from above
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tx_pdu.add_sdu(0, &mac_ul_sch_pdu_1[1], 8);
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TESTASSERT(tx_pdu.get_remaing_len() == 0);
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TESTASSERT(tx_buffer.N_bytes == sizeof(mac_ul_sch_pdu_1));
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TESTASSERT(memcmp(tx_buffer.msg, mac_ul_sch_pdu_1, tx_buffer.N_bytes) == 0);
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if (pcap_handle) {
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pcap_handle->write_ul_crnti(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::log_filter log("MAC");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(100000);
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log.info_hex(tx_buffer.msg, tx_buffer.N_bytes, "Generated MAC PDU (%d B)\n", tx_buffer.N_bytes);
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return SRSLTE_SUCCESS;
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}
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int mac_ul_sch_pdu_unpack_and_pack_test3()
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{
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// MAC PDU with UL-SCH (with normal LCID) subheader for short SDU
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=0| LCID | Octet 1
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// | L | Octet 2
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// TV1 - MAC PDU with short subheader for CCCH, MAC SDU length is 8 B, total PDU is 10 B
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uint8_t mac_ul_sch_pdu_1[] = {0x02, 0x0a, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa};
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if (pcap_handle) {
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pcap_handle->write_ul_crnti(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1), PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::mac_nr_sch_pdu pdu(true);
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pdu.unpack(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1));
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TESTASSERT(pdu.get_num_subpdus() == 1);
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mac_nr_sch_subpdu subpdu = pdu.get_subpdu(0);
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TESTASSERT(subpdu.get_total_length() == 12);
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TESTASSERT(subpdu.get_sdu_length() == 10);
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TESTASSERT(subpdu.get_lcid() == 2);
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// pack PDU again
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byte_buffer_t tx_buffer;
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srslte::mac_nr_sch_pdu tx_pdu;
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tx_pdu.init_tx(&tx_buffer, sizeof(mac_ul_sch_pdu_1), true);
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// Add SDU part of TV from above
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tx_pdu.add_sdu(2, &mac_ul_sch_pdu_1[2], 10);
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TESTASSERT(tx_pdu.get_remaing_len() == 0);
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TESTASSERT(tx_buffer.N_bytes == sizeof(mac_ul_sch_pdu_1));
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TESTASSERT(memcmp(tx_buffer.msg, mac_ul_sch_pdu_1, tx_buffer.N_bytes) == 0);
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if (pcap_handle) {
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pcap_handle->write_ul_crnti(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::log_filter log("MAC");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(100000);
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log.info_hex(tx_buffer.msg, tx_buffer.N_bytes, "Generated MAC PDU (%d B)\n", tx_buffer.N_bytes);
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return SRSLTE_SUCCESS;
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}
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int mac_ul_sch_pdu_pack_test4()
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{
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// MAC PDU with UL-SCH (with normal LCID) subheader for long SDU
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=1| LCID | Octet 1
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// | L | Octet 2
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// | L | Octet 3
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uint8_t sdu[512] = {};
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// populate SDU payload
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for (uint32_t i = 0; i < 512; i++) {
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sdu[i] = i % 256;
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}
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// pack PDU again
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byte_buffer_t tx_buffer;
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srslte::mac_nr_sch_pdu tx_pdu;
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tx_pdu.init_tx(&tx_buffer, sizeof(sdu) + 3, true);
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// Add SDU part of TV from above
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tx_pdu.add_sdu(2, sdu, sizeof(sdu));
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TESTASSERT(tx_pdu.get_remaing_len() == 0);
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TESTASSERT(tx_buffer.N_bytes == sizeof(sdu) + 3);
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if (pcap_handle) {
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pcap_handle->write_ul_crnti(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::log_filter log("MAC");
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log.set_level(srslte::LOG_LEVEL_DEBUG);
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log.set_hex_limit(100000);
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log.info_hex(tx_buffer.msg, tx_buffer.N_bytes, "Generated MAC PDU (%d B)\n", tx_buffer.N_bytes);
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return SRSLTE_SUCCESS;
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}
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int mac_ul_sch_pdu_unpack_test5()
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{
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// MAC PDU with UL-SCH (with normal LCID) subheader for short SDU but reserved LCID
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// Bit 1-8
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// | | | | | | | | |
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// | R |F=0| LCID | Octet 1
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// | L | Octet 2
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// TV1 - MAC PDU with short subheader but reserved LCID for UL-SCH (LCID=33)
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uint8_t mac_ul_sch_pdu_1[] = {0x21, 0x0a, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa};
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if (pcap_handle) {
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pcap_handle->write_ul_crnti(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1), PCAP_CRNTI, true, PCAP_TTI);
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}
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srslte::mac_nr_sch_pdu pdu(true);
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pdu.unpack(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1));
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TESTASSERT(pdu.get_num_subpdus() == 0);
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return SRSLTE_SUCCESS;
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}
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|
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int main(int argc, char** argv)
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{
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#if PCAP
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pcap_handle = std::unique_ptr<srslte::mac_nr_pcap>(new srslte::mac_nr_pcap());
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pcap_handle->open("mac_nr_pdu_test.pcap");
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#endif
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if (mac_dl_sch_pdu_unpack_and_pack_test1()) {
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fprintf(stderr, "mac_dl_sch_pdu_unpack_and_pack_test1() failed.\n");
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return SRSLTE_ERROR;
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}
|
|
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if (mac_dl_sch_pdu_unpack_test2()) {
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|
fprintf(stderr, "mac_dl_sch_pdu_unpack_test2() failed.\n");
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|
return SRSLTE_ERROR;
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}
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|
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if (mac_dl_sch_pdu_pack_test3()) {
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|
fprintf(stderr, "mac_dl_sch_pdu_pack_test3() failed.\n");
|
|
return SRSLTE_ERROR;
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|
}
|
|
|
|
if (mac_dl_sch_pdu_pack_test4()) {
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|
fprintf(stderr, "mac_dl_sch_pdu_pack_test4() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
if (mac_dl_sch_pdu_pack_test5()) {
|
|
fprintf(stderr, "mac_dl_sch_pdu_pack_test5() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
if (mac_dl_sch_pdu_unpack_test6()) {
|
|
fprintf(stderr, "mac_dl_sch_pdu_unpack_test6() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
if (mac_ul_sch_pdu_unpack_test1()) {
|
|
fprintf(stderr, "mac_ul_sch_pdu_unpack_test1() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
if (mac_ul_sch_pdu_unpack_and_pack_test2()) {
|
|
fprintf(stderr, "mac_ul_sch_pdu_unpack_and_pack_test2() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
if (mac_ul_sch_pdu_unpack_and_pack_test3()) {
|
|
fprintf(stderr, "mac_ul_sch_pdu_unpack_and_pack_test3() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
if (mac_ul_sch_pdu_pack_test4()) {
|
|
fprintf(stderr, "mac_ul_sch_pdu_pack_test4() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
if (mac_ul_sch_pdu_unpack_test5()) {
|
|
fprintf(stderr, "mac_ul_sch_pdu_unpack_test5() failed.\n");
|
|
return SRSLTE_ERROR;
|
|
}
|
|
|
|
return SRSLTE_SUCCESS;
|
|
}
|